Power Plus Electronics India Private Limited manufactures Online Un-Interruptible Power Supply System. Power Plus Electronics India Private Limited is an ISO certified company offering a wide range of energy saving products like Digital UPS, Digital Inverters, Sine Wave Inverters and Server Stabilizers. The Online Un-Interruptible Power Supply System is designed to protect personal computer and peripherals from possible power hazards. The Online Un-Interruptible Power Supply System is compact in size and is suitable for use in offices, homes and studios with limited space.